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Chemistry review 4 th period exam 2nd semester
Chemistry review 4 th period exam 2nd semester
Chemistry review 4 th period exam 2nd semester
Chemistry review 4 th period exam 2nd semester
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Chemistry review 4 th period exam 2nd semester

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  • 1. Name _______________________________________________________ Group ______________ Chemistry 2nd Semester Review 4th Period exam1.- Identify as organic or inorganica)KCl b)C2H6O c)CaCl2 d)CO2 e)NaCN f)CH42.- Identify the following properties as organic or inorganica)soluble in water b)burns in air c)low boiling point d)contain Ke)form ionic bond f) form isomers g)high boiling point h)can be used as fuel3.- True or falsea)Carbon atoms can bond with other carbon atoms any number of timesb)Carbon atomic number is 4c)Carbon forms 4 covalent bondsd)Carbon can bond with many elements, metals and nonmetals4.- Identify the following as alkane, alkene or alkynea) b) c)CH2=CH-CH35.- Identify as saturated or unsaturateda) b)6.- Give the name of the following alkyl groupsa)-CH3 b)-CH2-CH3 c)-CH2-CH2-CH3 d) CH3-CH-CH37.- What are aliphatic hydrocarbons.8.- Identify as hydrocarbon or derivate of hydrocarbona)CH3-Cl b)CH3-CH2-CH3 c)CH3-COOH d)CH3-CH=CH-CH3e)CH3-O-CH3 f)C6H6 g)CH3-CH=O9.- What are isomers?_____________________________________________________________________________________10.- Do the following molecules represent isomers? Explain.11.- Circle the functional group and identify the class or family.
  • 2. CH3-O-CH3 CH3-CH=O CH3-OH CH3-NH2 CH3-CH2-Br13.- Name the following compounds.14.- The following compounds were named incorrectly. Find the mistake and correct thename.a) 3-cloro-5nitrotoluene b) tetramethylbenzene ______________________ _________________________ c) 2,3,7-trimethyl-4-ethyl-5-octene ___________________15.- Identify the functional groups in the following molecules. Circle them and classify thefamily.a) b) c)____________________________ ____________________ ___________________________________________ ____________________ ________________
  • 3. 16.- Fill in the table.Name Formula and Common uses Environmental issues structureOctaneEthyleneMethamphetaminePenicillinACID AND BASES1.- List 6 properties of acids and 6 properties of bases.__________________________________________________________________________2.- Identify the following as acid, base, salt or other.NaOH ____ HNO3 ____ C2H5OH____ HC2H3O2____ LiOH____ Li2S____NaBr____3.-Compare Arrhenius theory and Bronsted-Lowry theory.____________________________________________________________________________________________________________________________________________________4. What is the conjugate base of the following acids?a) HClO4 ________ b) NH4+________ c) H2O ________d) HCO3-1________5. What is the conjugate acid of the following bases?a) CN- 1_______b) SO4 2-_______ c) H2O _______ d) HCO3 -1________6.- Identify the conjugate acid-base pairs in the following reactions.a) NH4+ + H2O  NH3 + H3O+ acid_____ base _____ c.a. _____ c.b. ______
  • 4. b) H2PO4 -1 + OH-  HPO4 2- + H2O acid ______ base _____ c.a. _____ c.b. _____7.- List 3 strong acids. ___________ _______________ _____________List 3 strong bases. _______________ _______________ _____________8.- List 2 weak acids. ___________ _____________List 2 weak bases. ______________ _____________9.- Categorize each of the following aqueous solutions as a strongelectrolyte(SE), weak electrolyte(WE), or nonelectrolyte(NE).KNO3 ____ HNO3 ____ H2S ____ NH3____ HC2H3O2 ____ RbOH ____ C3H6O ___10.- Write the equation that represents water dissociation.___________________________________________________________________________11.- Using the Bronsted-Lowry theory, explain why water can be an acid and abase too.___________________________________________________________________________12.- Which is the [ ] of H ions and OH ions produced by the water dissociation.___________________________________________________________________________13.- What is pH? Which is the mathematical expression of pH?_____________________________________________________________________________14.- Calculate the pH of the following solutions:[H]= 1 x 10-3 _____ [H]= 5.5 x 10-8 _____ [H]= 2.8 x 10 -13 _____ [H]= 3.2 x 10 -2 _____15.- Identify the following solutions as acidic or basicMilk pH=7.3 _____ toothpaste pH=10.2 _____vinegar pH=2.5 _____ lemon juice pH=2.3 ___16.- Which has more [H+] ions, a solution with pH = 8 or a solution with pH = 2?Explain. _________________________________________________________________16.- Predict the products of the following neutralization reactions:NaOH + HCl _____ + ______ HBr + KOH  _____ + _______17.- What happens to the pH of a solution when an acid and a base react?ACID RAIN1.- What is acid rain?_________________________________________________________________________2.- What are the main sources of acid rain?__________________________________________________________________________3.- List four effects of acid rain.

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